package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.mapper.DishMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags="菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private  DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     *
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody  DishDTO dishDTO){

        dishService.saveWithFlavors(dishDTO);

        //清理缓存
        String key = "dish_"+dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }


    /**
     * 分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO){


        PageResult pageResult =dishService.pageQuery(dishPageQueryDTO);


        return Result.success(pageResult);
    }

    /**
     * 菜品删除
      * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品删除")
    @Transactional
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品删除{}",ids);
        dishService.delete(ids);

        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据id查询
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询")
    public Result<DishVO> getById(@PathVariable Long id){

        DishVO dishVO  = dishService.getdById(id);

        return Result.success(dishVO);
    }

    /**
     * 菜品修改
     * @param dishDTO
     * @return
     */

    @PutMapping
    @ApiOperation("菜品修改")
    public  Result update(@RequestBody DishDTO dishDTO){

        dishService.updateWithFlavor(dishDTO);

        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 菜品起售或停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status,Long id){

        dishService.startOrStop(status,id);

        cleanCache("dish_*");

        return Result.success();
    }


    /**
     * 清理redis缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys= redisTemplate.keys(pattern);
        redisTemplate.delete(keys);



    }


}
